Physical Measurements; Stm-1 Electrical Specifications; Receiver - Viavi T-BERD MTS 5800 Getting Started Manual

Table 134 E4 transmitter specifications (Continued)
Parameter
Tx clock
(Timing)
Frequency offset
Pulse
Impedance

Physical measurements

Table 135
Table 135 E4 frequency and level measurement specifications
Parameter
Tx and Rx Fre-
quency
Level Vpp

STM-1 electrical specifications

Table 136 on page 221
receivers, transmitters, and frequency and level measurements.

Receiver

Table 136
Table 136 STM-1 receiver specifications
Parameter
Input
Bit rate
Impedance
Range
March 2018
Specification
– Internal reference clock with accuracy ±1.5 ppm,
±1 ppm per year aging
– Recovered from E4 Rx
– External from BITS, SETS, or CLOCK
±50 ppm, in 1 ppm steps
Nominal 1.0 Vpp Complies with ITU-T G.703 (11/01)
Nominal 75 Ω
lists frequency and level measurement specifications for E4.
Specification
– Range: 139.264 MHz ±100 ppm
– Accuracy: ±1.5 ppm, ±1 ppm per year aging
– Resolution: 1 Hz, or 1 ppm
– Range: 1.2 V to 0.01 V
– Resolution: 0.01 V
– Accuracy: ±0.02 V ±10%
through Table 138 on page 222
lists specifications for the STM-1 receiver.
Specification
One BNC connector
155.52 Mbps
Nominal 75 Ω at 78 MHz unbalanced
Term: 0 to 12.7 dB due to cable loss at 78 MHz, from a
nominal signal
PMP: -20 dB due to resistive loss in addition to 0 to 12.7 dB
due to cable loss at 78 MHz, from a nominal signal
T-BERD/MTS/SC Getting Started Guide
22046537, Rev. 016
Appendix A Specifications
MSAM specifications
list specifications for STM-1
Page 221